teal {adehabitat} | R Documentation |
This dataset describes the location and date of recovery of 800 teal ringed in Camargue, southern France between January 1952 and February 1978 using standard dabbling duck funnel traps hidden in the vegetation.
data(teal)
The following variables are given for each recovery:
x
y
date
The Camargue teal ringing program led to the recovery of 9,114 teals after the ringing of 59,187 birds. These 800 recoveries of this dataset are a subsample of the 4,652 birds recovered during the first year following ringing. Note that both the coordinates and the date have been jittered to preserve copyright on the data.
La Tour du Valat. A research centre for the conservation of Mediterranean wetlands. Le Sambuc - 13200 Arles, France. http://en.tourduvalat.org/
data(teal) plot(teal[,1:2], asp=1, xlab="longitude", ylab="latitude", main="Capture site (red) and recoveries") points(attr(teal, "CaptureSite"), pch=16, cex=2, col="red")